2668126678 has 8 divisors (see below), whose sum is σ = 4573931472. Its totient is φ = 1143482856.

The previous prime is 2668126627. The next prime is 2668126687. The reversal of 2668126678 is 8766218662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95290225 + ... + 95290252.

It is an arithmetic number, because the mean of its divisors is an integer number (571741434).

Almost surely, 2^2668126678 is an apocalyptic number.

2668126678 is a deficient number, since it is larger than the sum of its proper divisors (1905804794).

2668126678 is a wasteful number, since it uses less digits than its factorization.

2668126678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190580486.

The product of its digits is 2322432, while the sum is 52.

The square root of 2668126678 is about 51653.9125139616. The cubic root of 2668126678 is about 1386.9755813577.

The spelling of 2668126678 in words is "two billion, six hundred sixty-eight million, one hundred twenty-six thousand, six hundred seventy-eight".